Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [385]
diph·thong noun : two vowel sounds joined in one syllable to form one speech sound (as ou in out)
dip·loid adjective : having two haploid sets of chromosomes <~ somatic cells>
— diploid noun
di·plo·ma noun, plural diplomas : an official record of graduation from or of a degree conferred by a school
di·plo·ma·cy noun 1 : the art and practice of conducting negotiations between nations
2 : TACT
dip·lo·mat noun : one employed or skilled in diplomacy
— dip·lo·mat·ic adjective
di·plo·ma·tist noun : DIPLOMAT
dip·per noun 1 : any of a genus of birds that are related to the thrushes and are skilled in diving
2 : something (as a ladle or scoop) that dips or is used for dipping
3 cap : BIG DIPPER
4 cap : LITTLE DIPPER
dip·so·ma·nia noun : an uncontrollable craving for alcoholic liquors
— dip·so·ma·ni·ac noun
dip·stick noun : a graduated rod for indicating depth
dip·ter·an adjective : of, relating to, or being a fly (sense 2)
— dipteran noun
— dip·ter·ous adjective
dir abbreviation 1 direction
2 director
dire adjective dir·er; dir·est 1 : very horrible : DREADFUL
2 : warning of disaster
3 : EXTREME
4 : demanding immediate action to fend off disastrous consequences
Synonyms
[1] dreadful, fearful, fearsome, forbidding, formidable, frightful, hair-raising, horrible, redoubtable, scary, shocking, terrible, terrifying—more at FEARFUL
[2] baleful, foreboding, menacing, ominous, portentous, sinister—more at OMINOUS
[4] acute, critical, imperative, imperious, instant, pressing, urgent—more at ACUTE
1direct verb 1 : ADDRESS <~ a letter>; also : to impart orally : AIM <~ a remark to the gallery>
2 : to regulate the activities or course of : guide the supervision, organizing, or performance of
3 : to cause to turn, move, or point or to follow a certain course
4 : to point, extend, or project in a specified line or course
5 : to request or instruct with authority
6 : to show or point out the way
Synonyms
[2] administer, carry on, conduct, control, govern, guide, handle, manage, operate, oversee, regulate, run, superintend, supervise—more at CONDUCT
[3] aim, bend, cast, head, level, set, train—more at AIM
[5] command, decree, dictate, ordain, order
[5] bid, boss, charge, command, enjoin, instruct, order, tell—more at COMMAND
[6] conduct, guide, lead, marshal, pilot, route, show, steer, usher—more at LEAD
2direct adjective 1 : stemming immediately from a source <~ result>
2 : being or passing in a straight line of descent : LINEAL <~ ancestor>
3 : leading from one point to another in time or space without turn or stop : STRAIGHT